| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.83 | 6.24 | -0.41 |
| Feb | 4.26 | 4.45 | -0.19 |
| Mar | 4.41 | 4.82 | -0.41 |
| Apr | 3.41 | 3.71 | -0.30 |
| May | 2.54 | 2.61 | -0.07 |
| Jun | 1.67 | 1.72 | -0.05 |
| Jul | 0.44 | 0.45 | -0.01 |
| Aug | 0.56 | 0.57 | -0.01 |
| Sep | 1.53 | 1.54 | -0.01 |
| Oct | 3.81 | 3.89 | -0.08 |
| Nov | 6.22 | 6.39 | -0.17 |
| Dec | 6.75 | 7.16 | -0.41 |
41.43 | 43.55 | -2.12 |